Question

if a=2/5and b=3/2,find (a+b)÷(a-b)​

Answer 1

a= 2/5. b=3/2

(a+b)÷(a-b)

(2/5+3/2)÷(2/5-3/2)

=19/10÷(-11)/10

= -19/11

Answer 2

(a+b)/(a-b)

$(2 \div 5 + 3 \div 2) \div (2 \div 5 - 3 \div 2)$

(2/5 + 3/2 ) / (2/5-3/2)

(4+15/10) / (4-15/10)

(19/10) / (11/10)

-(19/10 x 10/11)

- (19/11)

this is the answer.

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